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Technical Data Sheet

AMD-1403 ITEM 57 — Technical Data Sheet

✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The SLEEVE,FLARED,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL, flange_width: 0.141 INCHES NOMINAL IN, overall_length: 0.406 INCHES NOMINAL IN, style_designator: SLEEVE, seat_angle_in_deg: 33.0, surface_treatment: CADMIUM. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-278-0678, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AMD-1403 ITEM 57
NSN: 4730-00-278-0678
FSC: 4730
CAGE: 70433 — APPLETON MARINE INC (USA)
SPECIFICATIONS
materialSTEEL
flange_width0.141 INCHES NOMINAL IN
overall_length0.406 INCHES NOMINAL IN
style_designatorSLEEVE
seat_angle_in_deg33.0
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
end_item_identificationGRUMAN A-10 AIRCRAFT
flange_outside_diameter0.383 INCHES NOMINAL IN
sleeve_outside_diameter0.297 INCHES NOMINAL IN
metallic_hardness_rating10.0 MINIMUM ROCKWELL C AND 21.0 MAXIMUM ROCKWELL C
hose/tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
NSN4730-00-278-0678
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AMD-1403 ITEM 57 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE OUTSIDE DIAMETER: 0.383 INCHES NOMINAL IN
•
METALLIC HARDNESS RATING: 10.0 MINIMUM ROCKWELL C AND 21.0 MAXIMUM ROCKWELL C
•
STYLE DESIGNATOR: SLEEVE
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
•
FLANGE WIDTH: 0.141 INCHES NOMINAL IN
•
SLEEVE OUTSIDE DIAMETER: 0.297 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.383 INCHES NOMINAL IN
METALLIC HARDNESS RATING10.0 MINIMUM ROCKWELL C AND 21.0 MAXIMUM ROCKWELL C
STYLE DESIGNATORSLEEVE
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
END ITEM IDENTIFICATIONGRUMAN A-10 AIRCRAFT
FLANGE WIDTH0.141 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.297 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
OVERALL LENGTH0.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
26260InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10178InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
39A38InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8177080InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
G243563-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9011919InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMD-1403 ITEM 57?
AMD-1403 ITEM 57 is a SLEEVE,FLARED,TUBE FITTING.
What parts can replace AMD-1403 ITEM 57?
There are 16 known substitutes for AMD-1403 ITEM 57: 26260, 10178, 39A38 and 13 more. Substitute compatibility should be verified for your specific system.
Is AMD-1403 ITEM 57 still available?
AMD-1403 ITEM 57 is currently cancelled.
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